Per b-1 engineering
A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.
Classification: Spherical roller bearings, single row
NSN 5990-01-516-9665
NSN 2925-01-281-6403
NSN 5996-01-658-0704
NSN 6650-01-006-9593
NSN 6150-01-473-9914
NSN 6150-01-097-1560
NSN 6130-00-541-8468
NSN 5999-00-834-1270
NSN 6320-01-466-4175
NSN 6150-01-293-7607
NSN 5985-01-421-7570
NSN 5965-01-321-3744